package struct;

public class SwitchDemo01 {
    public static void main(String[] args) {
        //case穿透 switch 匹配一个具体的值
        char grade = 'F';

        switch (grade){
            case 'A' :
                System.out.println("优秀");
                break; //可选
            case 'B' :
                System.out.println("良好");
                break;
            case 'C' :
                System.out.println("及格");
                break;
            case 'D' :
                System.out.println("再接再厉");
                break;
            case 'E' :
                System.out.println("挂科");
                break;
           default:
                System.out.println("未知等级");
        }
    }
}
